Validity vs. Reliability

Validitynoun

The state of being valid, authentic or genuine.

Validitynoun

Having legal force.

Validitynoun

A quality of a measurement indicating the degree to which the measure reflects the underlying construct, that is, whether it measures what it purports to measure (see reliability).

Validitynoun

The quality or state of being valid; strength; force; especially, power to convince; justness; soundness; as, the validity of an argument or proof; the validity of an objection.

Validitynoun

Legal strength, force, or authority; that quality of a thing which renders it supportable in law, or equity; as, the validity of a will; the validity of a contract, claim, or title.

Validitynoun

Value.

Validitynoun

the quality of being logically valid

Validitynoun

the quality of having legal force or effectiveness

Reliabilitynoun

The quality of being reliable, dependable, or trustworthy.

Reliabilitynoun

(education) the ability to measure the same thing consistently (of a measurement indicating the degree to which the measure is consistent); that is, repeated measurements would give the same result (See also validity).

Reliabilitynoun

(engineering) - measurable time of work before failure

Reliabilitynoun

The state or quality of being reliable; reliableness.

Reliabilitynoun

the trait of being dependable or reliable